Junaid f.

VoIP & PBX Engineer | AI Voice Agents, Chatbots & Automation Are you looking for an experienced engineer to configure your VoIP PBX, build call center solutions, integrate AI voice agents, or automate business processes? With 8+ years of experience in IT, VoIP, and server administration, I specialize in reliable communication systems, AI integrations, and business automation. VoIP, PBX & Call Center Solutions Platforms: Asterisk, FreePBX, FusionPBX, 3CX, and VICIdial. - Cloud and on-premises PBX installation, configuration, migration, and troubleshooting. - SIP trunking, inbound/outbound routes, extensions, IVR, ring groups, queues, and voicemail. - SIP, TLS, WebSocket, WSS, DNS, SSL certificates, and Nginx reverse proxy. - IP phone provisioning for Yealink, Fanvil, and Grandstream. - Softphone configuration and SIP troubleshooting. - VICIdial campaigns, predictive dialing, IVR, and call center setup. - CRM and billing integrations. - PBX backup, recovery, and ongoing technical support. ## AI Voice Agents & Voicebots I combine telephony expertise with AI to create intelligent voice solutions. - AI voice agent integration with Asterisk and FreePBX. - OpenAI and Microsoft Azure Speech integration. - Speech-to-Text (STT) and Text-to-Speech (TTS). - Automated call answering and customer inquiry workflows. - AI-powered call routing and escalation to human agents. - Integration with APIs, databases, and business applications. AI Agents & Chatbot Development I develop AI assistants that help businesses retrieve information, answer questions, and automate tasks. - Website chatbots and business assistants. - RAG chatbots using business documents and knowledge bases. - AI agents connected to databases, APIs, and internal systems. - LangGraph-based agentic workflows and multi-agent applications. - Natural-language database assistants and automated reporting. - Integration with OpenAI, Google Gemini, and Azure AI. Technologies: Python, LangGraph, LangChain, FastAPI, PostgreSQL, Supabase, and vector databases. Business Automation & Custom Development - Workflow automation using n8n. - REST API development and third-party integrations. - ERP and database integration with AI assistants. - Automated reporting, notifications, and data processing. - Python scripts, backend development, and AI application deployment. - Integration of AI models with existing business software. I focus on practical solutions that fit your business workflows and existing systems. Linux, Cloud & Server Administration - Linux and application server administration. - AWS EC2, Lightsail, and S3 configuration. - Apache, Nginx, and reverse proxy configuration. - DNS, domains, SSL/TLS, networking, and firewall troubleshooting. - PostgreSQL, MySQL, and MariaDB administration. - Scheduled backups, server monitoring, migration, and troubleshooting. Technology Stack VoIP: Asterisk, FreePBX, FusionPBX, 3CX, VICIdial, SIP, IVR. AI: OpenAI, Google Gemini, Azure AI, LangGraph, LangChain, RAG. Automation: n8n, Python, REST APIs. Development: FastAPI, PostgreSQL, MySQL, Supabase, React integration. Infrastructure: AWS, Linux, Nginx, Apache, DNS, SSL/TLS. Why Work With Me? - 8+ years of IT, VoIP, and server administration experience. - Strong focus on PBX, telephony, and call center solutions. - AI integration for voice systems and business applications. - Practical knowledge of cloud infrastructure, Linux, and networking. - Reliable implementation, integration, and troubleshooting support. Whether you need a PBX deployment, VICIdial configuration, SIP troubleshooting, an AI voice agent, a chatbot, or business workflow automation, I can help you implement a solution tailored to your requirements. Let's discuss your project and find the right technical solution for your business.